Vagrant plugin to resize disks in VirtualBox
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A Vagrant plugin to resize disks in VirtualBox
vagrant plugin install vagrant-disksize
Set the size you want for your disk in your Vagrantfile. For example
Vagrant.configure('2') do |config| config.vm.box = 'ubuntu/xenial64' config.disksize.size = '50GB' end
You can specify the size as a raw number (in bytes) or using KB, MB, GB or TB (though I'd be interested to learn more if you are using Vagrant to create multi-terabyte disks). Internally the size will be converted to megabytes, for ease of interaction with VirtualBox. If the value you specify isn't a whole number of megabytes, it will be rounded up, to ensure you have at least the capacity you requested. Note that the plugin uses the original definitions so, for example, 1 GB = 1024 MB; we don't have to use hardware manufacturer marketing maths here and it makes the internal maths easier.
At present only the first disk will be resized. That seems to be OK for typical boxes such as the official Ubuntu images for Xenial, but there may well be other configurations where the first disk found isn't the main HDD.
The plugin only works with VirtualBox but it will issue an error message and then disable itself if you try to use it with another provider.
Disks can only be increased in size. There is no facility to shrink a disk.
Depending on the guest, you may need to resize the partition and the filesystem from within the guest. At present the plugin only resizes the underlying disk.
This hasn't been tested on a wide variety of versions of Vagrant or VirtualBox. It works for, at least, Vagrant 1.8.5 and VirtualBox 5.1.x, but any feedback about other versions, particularly older ones, would be much appreciated.
After checking out the repo, run
bin/setupto install dependencies. You can also run
bin/consolefor an interactive prompt that will allow you to experiment.
To install this gem onto your local machine, run
bundle exec rake install. To release a new version, update the version number in
version.rb, and then run
bundle exec rake release, which will create a git tag for the version, push git commits and tags, and push the
.gemfile to rubygems.org.
Bug reports and pull requests are welcome on GitHub at https://github.com/sprotheroe/vagrant-disksize.
The gem is available as open source under the terms of the MIT License.